Pinq\Tests\Integration\Collection\MutableCollectionSemanticsTest::testThatQueryUpdatesWhenSourceCollectionIsMutated PHP Method

    public function testThatQueryUpdatesWhenSourceCollectionIsMutated(\Pinq\ICollection $collection, array $data)
    {
        $query = $collection->where(function ($i) {
            return $i % 2 === 0;
        })->orderByDescending(function ($i) {
            return $i;
        })->groupJoin(range(1, 10, 2))->on(function ($i, $v) {
            return $v < $i;
        })->to(function ($i, \Pinq\ITraversable $nums) {
            return $i . ':' . $nums->implode(',');
        });
        $this->assertMatchesValues($query, ['10:1,3,5,7,9', '8:1,3,5,7', '6:1,3,5', '4:1,3', '2:1']);
        $collection->removeRange([4, 5]);
        unset($collection[7]);
        $this->assertMatchesValues($query, ['10:1,3,5,7,9', '6:1,3,5', '2:1']);
    }